added username to manifest

Profile Manifest/com.twocanoes.xcreds.plist

@@ -241,6 +241,21 @@ A profile can consist of payloads with different version numbers. For example, c
 			<key>pfm_require</key>
 			<string>always</string>
 
+		</dict>
+		<dict>
+			<key>pfm_name</key>
+			<string>username</string>
+			<key>pfm_type</key>
+			<string>string</string>
+			<key>pfm_title</key>
+			<string>Local Username</string>
+			<key>pfm_description</key>
+			<string>When a user uses cloud login, XCreds will try and figure out the local username based on the email or other data returned for the IdP. Use this value to force the local username for any cloud login. Provide only the shortname.</string>
+
+			<!-- This value will be automatically set as the value until the user changes it. -->
+			<key>pfm_default</key>
+			<string></string>
+
 		</dict>
 
 		<dict>
@@ -376,7 +391,7 @@ A profile can consist of payloads with different version numbers. For example, c
 			<key>pfm_title</key>
 			<string>Show Preferences on Startup</string>
 			<key>pfm_description</key>
-			<string>If no settings are specified, preferences will not be shown on startup</string>
+			<string>If no settings are specified, preferences will not be shown on startupu</string>
 			<key>pfm_default</key>
 			<false/>
 		</dict>